Home / 99,849.32-137,791.36-54,527.30

Finding the Fourth Proportional to 99,849.32, 137,791.36 and 54,527.30

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Solution

The fourth proportional to 99,849.32, 137,791.36 and 54,527.30 is: 75,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,849.32 : 137,791.36 = 54,527.30 : x
  2. Step 2: Convert to fraction form
    99,849.32/137,791.36 = 54,527.30/x
  3. Step 3: Cross multiply
    99,849.32x = 137,791.36 × 54,527.30
  4. Step 4: Simplify right side
    99,849.32x = 7,513,391,032.29
  5. Step 5: Solve for x
    x = 7,513,391,032.29/99,849.32
  6. Step 6: Final answer
    x = 75,247.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.